layer‚ liquid‚ gas‚ and paper‚ but for this lab paper chromatography will be used. Who invented chromatography? A Russian botanist named Mikhail Semyonovich Tsvet invented chromatography in 1901 while doing research on plant pigments. Why is chromatography so important? This is because over 60% of all chemical analysis is done with one of the four types of chromatography. Police also use it to test cocaine in urine‚ alcohol in blood‚ and lead in water. Other uses for chromatography include to determine
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People don’t realize how important it is to vote. Many think one vote won’t hurt anything‚ but if everyone had that mentality no one would ever vote. It is very important to know who you are voting for and putting in office‚ but how do you know who you are truly voting for. Does he share the same religion as you? Is he a conservative or liberal? Or what kind of bills is he trying to pass? These are some basic questions that should be asked when looking at who’s running for office. After all the
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country‚ by region‚ and by scenario. Just because you are a generous traveler‚ it doesn’t mean you should hand out gratuities like it’s halloween candy‚ just to make sure you cover all the bases. In some countries‚ tipping can be an insult. So‚ it is important to do your research on where you are traveling‚ and it might be smart to ask a travel specialist. On the other hand‚ you also don’t want to be a traveling tightwad who stiffs people on their service. Millions service
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There comes a time in our lives where we all have to face important decisions and challenges maybe taking examinations or starting a new job. For me‚ going to secondary school was an important time and was a big challenge. This can be a stressful and nerve racking experience for any eleven year old‚ unlike most of the people that started my school I didn’t know many people from my previous primary school‚ so they already had foundations and memories and did not really have to make new friends as
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Support staff Teaching assistant (TA) / Learning Support assistant LSA - compliments the Class Teacher and support learning for all pupils. - works under the guidance of the Class Teacher - would not be expected to undertake any direct teaching responsibilities or lead the class‚ however may be required to supervise the class in the temporary absence of the teacher. Duties and responsibilities can include: planning‚ delivering and evaluating teaching and learning activities with the Class Teacher
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I believe that having vaccines and getting vaccinated is very important in the United States. Vaccines protect your life from deadly diseases‚ it protects the lives of the people around you from getting a disease from you‚ and it will protect the lives of the future generations to come after you. This is why it is important for everyone in the United States to be properly vaccinated. Every time you are getting a vaccine you are protecting yourself a little more. Vaccines fight off very dangerous
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War II and I find it important that it is shown not only as a bad thing‚ but as something that he have managed to overcome in our short countryhood. Memorials are something that are used to say that this happens and we do recognize that those things did happen‚ they are there for the sole remembrance of the people have fallen and those who are honored because the things that happened throughout the course of a complicated history. Therefore there are three main reasons as to why these memorials should
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Accountability The U.S. army values soldiers that are accountable for their actions. Being accountable means being dependable-arriving to work and appointments on time‚ meeting deadlines‚ being in the right place at the right time‚ doing the right thing at the right time. Morning formation is the most important formation of the day. It is made to get accountability of everyone and put out any information that there needs to be dealt with. Without having accountability there is not knowing of
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Why Breakfast is the most important Meal of the day A very good morning to all on the floor today My heartful well wishes to the Headmistress Ms.Abhinaya‚fellow teachers present here‚the parents of all this proud students here and my dear students. Firstly I would like to thank the organizing committee of the school Entrepreneurship Day for giving me the oppurtunity to talk on this fine stage where once I came up to receive achievement badges‚certificates and trophies during my primary school days
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WHY DOCUMENTARIES ARE SO IMPORTANT Documentaries are important in many ways. One of the main reasons is that they educate you A week ago‚ I watched the documentary "Super Size Me" and I thought that it showed very well how dangerous it is to eat fast-food on regular basis. It affects your body and I don’t think many people know that. How could they know it if they aren’t going to read studies on how dangerous it is. Not many people have the time‚ or want to make time‚ to read a study. It is
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